Chemical that gives chilli its bite is hot stuff at killing pain without numbness

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An anaesthetic that can block pain without impairing movement, touch or mental awareness has been developed using the chemical that gives chilli peppers their kick.

The drug cocktail, based on capsaicin, promises to transform pain management by relieving the pain itself without disrupting other biological functions. It is likely to prove useful as an alternative to epidurals during childbirth, as it would not cause numbness or paralysis, allowing mothers to remain responsive to their bodies and more aware of the experience.

Other applications could include postoperative pain relief - particularly after joint surgery, when sensation can help rehabilitation - as well as